'Perseid' definitions:

Definition of 'Perseid'

From: GCIDE

Perseid \Per"se*id\, n. [From Perseus.] (Astron.) One of a group of shooting stars which appear yearly about the 10th of August, and cross the heavens in paths apparently radiating from the constellation Perseus. They are probably fragments of Swift's comet of 1862 (III). [1913 Webster + Webster 1913 Suppl.]